Seiko Cal. 7189 - 542

Seiko 7189-542

The Seiko 7189-542 represents an important milestone in Seiko's 1978 lineup. Powered by the 7189 caliber with 20j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-a228b7efec3a]

Also known as: UFO, Emperor

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
12.8mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
21,600 bph
Power Reserve
53 hours
Year
1978

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